Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0912-EU-R Three Station Dock w/Comms 100-240Vac, 50-60 Hz, E Price on request 810-0102-02 GilAir-5 Clock, with timer (ATEX), Pump only Price on request 811-0913-01-R Outlet Fitting, Bag Fill Adapter Price on request